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  • Mirror Grinding Machine

    My Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telescope mirrors. Dennis Rech's M-o-M designs finally inspired me to just get up and do it. Over the years, I'd been collecting motors, gear boxes, pulleys, etc. Most

    Mirror Grinding Machine » Leonardo Da Vinci's Inventions

    The mirror or lens grinding machine is a masterpiece of mechanical engineering. It has several gears in mesh at all times and also has several variable settings built into it. This machine was most likely designed by Leonardo while he was either investigating the different ways that light reflected off things or maybe he was planning on

    telescope mirror grinding / polishing machine with

    Feb 15, 2016· The machine is shown grinding a 300 mm mirror. How to build a tachometer: florin.myip.org/blog/making-tachometer-grinding-polishing-machine-telescope-...

    Mirror-o-Matic mirror making machine ATM pages of

    Mirror-O-Matic grinding machine. When I decided in 2009 after a ten-year break to get into mirror making again, it quickly became clear to me that I would need to construct machine, as hand grinding big mirrors is not something very beneficial for the hands of a musician.

    Making a mirror with the Mirror-O-Matic YouTube

    Oct 29, 2007· 'm fine grinding my 12" plate glass mirror blank with the M-O-M by Dennis Rech. It's an automatic mirror making machine that takes the "caveman" work out of

    Making a homemade mirror grinding machine ATM, Optics

    Mar 06, 2006· Making a homemade mirror grinding machine posted in ATM, Optics and DIY Forum: I want to make a motorized mirror grinder,any good info on this,i have a couple geared motors,low speed high torque. One more questionwill 1 1/2 shaft size pillow block bearings work good for a homemade EQ mount? Thank you,John

    Mirror grinding scope making

    A good starter size is the 150 mm (6") mirror. A 200mm (8") will also work. Most ATM books and websites recommend a Pyrex® mirror blank, but in my opinion, annealed plate glass is better for this first, "learn and practice" mirror.It is cheaper, it is softer and grinds faster, needing less abrasives and with these small sizes, the low expansion glass like Pyrex has no practical (visible at

    jeffbaldwin.org

    Fixed-post machine grinding is where the mirror is on a turntable rotating around 20 PRM [speeds vary], and a 75% tool is on top. They are already curve-generated. The tool is hanging over the mirror by 1/6 the diameter of the tool, or about 1/8 diameter of the mirror, and is fixed in this position.

    Grinding Machine for Large Telescope Mirrors

    Grinding Machine for Large Telescope Mirrors. I designed and built a grinding machine for mirrors up to 42 inches [1.1m] in diameter. By slipping on and off a couple of belts, the machine can quickly be reconfigured for spinning work or for stroking work. The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on

    Ritchey Mirror Grinding Machine National Air and Space

    The grinding machine was moved to Pasadena in 1904 to complete work on the 60-inch mirror. At some later time the apparatus was transferred to the California Institute of Technology. The Institute then sold the machine

    Mirror Grinding Machine Products & Suppliers

    In September 1858, shortly after his return from Europe, Draper began the construction of a mirror grinding machine of Lord Rosse’s design. Advances in Abrasive Technology XVI The superhard diamond grinding wheel with large-grit size plays an important role in precision mirror grinding

    Ritchey Mirror Grinding Machine Motor National Air and

    The original grinding machine was used under the sponsorship of Hale to grind a 60-inch mirror initially intended for the Yerkes Observatory. The grinding machine was moved to Pasadena in 1904 to complete work on the mirror

    Making a mirror with the Mirror-O-Matic YouTube

    Oct 29, 2007· 'm fine grinding my 12" plate glass mirror blank with the M-O-M by Dennis Rech. It's an automatic mirror making machine that takes the

    Mirror grinding machine-runout ATM, Optics and DIY Forum

    Feb 21, 2015· Page 1 of 2 Mirror grinding machine-runout posted in ATM, Optics and DIY Forum: I am in the process of making a fixed post mirror grinding machine, big enough for a 20 inch mirror. I

    Mirror grinding scope making

    A good starter size is the 150 mm (6") mirror. A 200mm (8") will also work. Most ATM books and websites recommend a Pyrex® mirror blank, but in my opinion, annealed plate glass is better for this first, "learn and practice" mirror

    mirror grinding machines. ATM, Optics and DIY Forum

    Oct 03, 2006· When I built my machine, I didn't have a computer or any books on building grinding machines so I built one that mimics the stroke a person would do. For instance, my turntable rotates

    Making my own fixed post mirror grinding/polishing machine

    Oct 15, 2012· Page 1 of 2 Making my own fixed post mirror grinding/polishing machine posted in ATM, Optics and DIY Forum: Hey guys. Im thinking of making my own fixed post mirror grinding/polishing and curve generating machine. Ive got loads of questions regarding the design so Ill just start firing away Do I need an eccentric moving tool to be able to polish a mirror

    Ritchey Mirror Grinding Machine National Air and Space

    The grinding machine was moved to Pasadena in 1904 to complete work on the 60-inch mirror. At some later time the apparatus was transferred to the California Institute of Technology. The Institute then sold the machine

    Ritchey Mirror Grinding Machine Motor National Air and

    The original grinding machine was used under the sponsorship of Hale to grind a 60-inch mirror initially intended for the Yerkes Observatory. The grinding machine was moved to Pasadena in 1904 to complete work on the mirror

    Leonardo Da Vinci's mirror making machines

    ÝÝÝÝÝÝÝÝÝÝÝ In his Codice Atlantico, Leonardo offers two of sketches of mirror making machines.Ý One machine is designed for grinding concave mirrors of small focal length.Ý The other machine, a much larger piece to implement, grinds mirrors of large focal lengths.Ý Though Leonardo da Vinci creates sketches of mirror grinding

    Mirror Grinding Machine Hackaday

    Sep 26, 2006· Grinding and polishing your own mirrors is a long, arduous process. Instead of lapping the blank by hand, Laurie Hall built this mirror grinding machine from scratch.

    jeffbaldwin.org

    Fixed-post machine grinding is where the mirror is on a turntable rotating around 20 PRM [speeds vary], and a 75% tool is on top. They are already curve-generated. The tool is hanging over the mirror by 1/6 the diameter of the tool, or about 1/8 diameter of the mirror

    Mike's Telescope Workshop Mike's World.

    This is my home-built edge grinding machine for grinding down my home-cast mirror blanks. Click to see the whole project. This is a 12.5 inch diameter, 1.5 inch thick, light-weight honeycomb-back telescope mirror

    Mel Bartels' Amateur Telescope Making

    The I.A.U. named asteroid 17823 Bartels discovered 1998 by J.M.Roe in recognition for my contributions to amateur astronomy. Making is the Key to Knowing. A telescope mirror is arguably the most accurate surface made by human or machine. Amazingly you can grind a mirror

    Joy of Mirror Making: Rough Grinding

    Rough Grinding The first milestone is putting a curve into the mirror face. The curve's depth dictates the mirror's focal length. The curve should be spherical. Creating the curve can be done by several methods: The curve is ground into the mirror face using a grinding

    Manufacturing Technology for Optics, Ceramics & Metals

    CNC Optical Grinding. PRO 80 GTS High Precision Lens Grinder: 5-80 mm Optics; PRO 160 GTS High Precision Lens Grinder: 10-160 mm Optics; eSX 150 5-Axis lens Grinding machine: 5-150 mm Optics; eSX 300 5-Axis lens Grinding machine: 5-300 mm Optics; eSX 400 5-Axis Lens Grinding Machine: 5-400 mm Optics; SXL 500 5-Axis Lens Grinding machine

    Telescope Making Supplies

    Throughout the grinding and final lapping stages, the objective has been to reduce pits and scratches to the smallest possible size. However, no amount of grinding can produce a surface smooth enough or

    Mirror Grinding Machine Products & Suppliers

    In September 1858, shortly after his return from Europe, Draper began the construction of a mirror grinding machine of Lord Rosse’s design. Advances in Abrasive Technology XVI The superhard diamond grinding wheel with large-grit size plays an important role in precision mirror grinding

    SkyBadger Mirror Grinding Machine

    The mirror machine came to me as a result of astronomical horse-trading, swapping a large GEM mount and a 8" Newtonian OTA for the machine as it was and a start kit consisting of two 6" blanks and the grit, rouge and pitch to manufacture a mirror. The grinding machine had been built to the design of the mirror

    mirror surface grinding machine alibaba

    Alibaba offers 2,135 mirror surface grinding machine products. A wide variety of mirror surface grinding machine options are available to you, such as local service location, key selling points, and

    mirror polishing machine, mirror polishing machine

    A wide variety of mirror polishing machine options are available to you, There are 9,632 suppliers who sells mirror polishing machine on Alibaba, mainly located in Asia. The top countries of suppliers are China, India, and Taiwan, China, from which the percentage of mirror polishing machine

    Amazon: Geyiie Doctor Kit for Kids, 19 PCS Pretend

    Make sure this fits by entering your model number. 【19 Pieces Toy Dr set】This pretend play kids doctor kit main includes: Stethoscope, Toll, Medicine bottle, Dental mirror, Grinding machine, Dental mirror

    Stellafane ATM: Materials & Tools

    Topics on this page: Mirror Blanks, Grinding & Polishing Tools, Grits & Pitch, Storage Containers, Grinding Stands, and Miscellaneous Items. 6" & 8" Pyrex Mirror Blanks Patterns on surfaces and edges are mold marks, splotch on 6" is a grinding

    tut44 Making A Mirror Grinding Tool Asterism.org

    After fine grinding is complete, the mirror must be polished. It is during polishing that you “figure” the mirror by using a different polishing stroke to change the mirror’s spherical polished shape into a

    Telescope Making Supplies

    Throughout the grinding and final lapping stages, the objective has been to reduce pits and scratches to the smallest possible size. However, no amount of grinding can produce a surface smooth enough or

    Joy of Mirror Making: Rough Grinding

    Rough Grinding The first milestone is putting a curve into the mirror face. The curve's depth dictates the mirror's focal length. The curve should be spherical. Creating the curve can be done by several methods: The curve is ground into the mirror face using a grinding

    Mirror Grinding Machine Products & Suppliers

    In September 1858, shortly after his return from Europe, Draper began the construction of a mirror grinding machine of Lord Rosse’s design. Advances in Abrasive Technology XVI The superhard diamond grinding wheel with large-grit size plays an important role in precision mirror grinding

    mirror surface grinding machine alibaba

    Alibaba offers 2,135 mirror surface grinding machine products. A wide variety of mirror surface grinding machine options are available to you, such as local service location, key selling points, and

    Ritchey Mirror Grinding Machine Motor National Air and

    The original grinding machine was used under the sponsorship of Hale to grind a 60-inch mirror initially intended for the Yerkes Observatory. The grinding machine was moved to Pasadena in 1904 to complete work on the mirror

    The Right Machine and Process for Mirror-Finish Carbide

    Quality surface finish is a top priority for tool and die manufacturers, and machines like those showcased at United Grinding’s recent “Universe” event are among the best ways to achieve it. Hosted in Miamisburg, Ohio September 16-17, the event exposed more than 400 attendees to a wide range of cylindrical, centerless, radius, surface and other grinding

    TRW120 Flat Bars Double-Sided Grinding Machine Tube

    Apr 07, 2020· TRW series of machines from NS Maquinas are designed specifically for grinding of the edges on Stainless steel flat bars. The machine utilizes a feed table, with downward-facing pressure rollers to keep the material firmly against the conveyor feed belt and simply flows the material in a horizontal position past the linishing heads grinding

    Build your own telescope part 1: The mirror Thomas

    The problem with thin mirrors is that they flex more easily during grinding and polishing, making it hard to achieve the required surface precision. They also need a more complex mirror cell (additional

    Fixed post mirror grinder advice DIY Astronomer

    Nov 01, 2011· Basically there are two types of grinding/polishing machine. The ‘traditional’ type which involves the mirror rotating at a relatively slow speed, a few rpm for a big mirror (16-20 inches) with the tool moving across the mirror, from side to side, at a higher rpm depending on the size of the mirror

    How I built an edge grinder for telescope mirror blanks.

    I borrowed a few ideas from the Mirror-O-Matic mirror grinding machine, particularly how to mount the turntable on top of the pulley. Anyone building machinery for cold-working glass should have a look at

    Leonardo Da Vinci's mirror making machines

    ÝÝÝÝÝÝÝÝÝÝÝ In his Codice Atlantico, Leonardo offers two of sketches of mirror making machines.Ý One machine is designed for grinding concave mirrors of small focal length.Ý The other machine, a much larger piece to implement, grinds mirrors of large focal lengths.Ý Though Leonardo da Vinci creates sketches of mirror grinding

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